668742719 is an odd 9-digits composite number following 668742718
and preceding 668742720 . In scientific notation, it is written as 6.68742719 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 629404896 positive integers (up to 668742719) that are relatively prime to 668742719.
668742719 has 4 divisors, whose sum is 708080544
The reverse of 668742719 is 917247866
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred sixty-eight million seven hundred forty-two thousand seven hundred nineteen
Scientific notation
6.68742719 × 10^8
Engineering notation
6.68742719 × 10^6
Prime Factorization
17 × 39337807
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
668742719
Product of the distinct prime numbers
The prime factorization of 668742719 is 17 × 39337807.
Since it has a total of 2 prime factors.
8 , 9 , 47 , 93 , 390 , 678 , 6460 , 2238 , 31474 , 12224 , 370209 , 994640 , 2469389 , 884294 , 7322939 , 13252985 , 475131397 , 876540835 , 7244676178 , 3741218371
n×2
1337485438
n×3
2006228157
n×4
2674970876
n×5
3343713595
n÷2
334371359.5
n÷3
222914239.66667
n÷3
167185679.75
n÷5
133748543.8
n2
447216824215512961
n3
2.9907299500843E+26
n4
2.0000288786141E+35
n5
1.3375047503629E+44
2 √n
25860.060305421
3 √n
874.48632446098
4 √n
160.81063492637
5 √n
58.217266950136
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668742718
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668742719 can be divided by 4 positive divisors.
The sum of these divisors (counting 668742719) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111110111000011010000111111
3
Ternary
1201121100122112212
4
Quaternary
213313003100333
5
Quinary
2332144231334
6
Senary
150205251035
8
Octal
4767032077
10
Decimal
668742719
12
Duodecimal
167b63a7b
16
Hexadecimal
27dc343f
20
Vigesimal
a8jcgfj
36
Base36
b25h6n
md5
934c5aa1c098228eff882563e2cfd53d
sha1
91da6c38607f5a8b8ba82e50b29fa4b0f164fa64
sha256
8e5cff60c6daa886081dbfad279298e1c265ee407963d1d534f5466380e26e2a
sha512
741386fb62632c572f20a28a4bca60f063d721402523ed2406a8a8acb3663c47dc959c1317b0d5fb3d0589eb2e023d38e42e41328be8a391b98496697cc82442
ripemd-160
430b075ace4cf4648aa149faa47fc3dbdc286194
Diameter
1337485438
Circumference
4201834426.3041
Area
1.4049730895172E+18
Volume
1.2527540320074E+27
Surface area
5.6198923580689E+18
Circumference
4201834426.3041
Perimeter
2674970876
Area
447216824215512961
Diagonal
945745022.94806
Surface area
2683300945293077766
Volume
2.9907299500843E+26
Space diagonal
1158296366.4998
Perimeter
2006228157
Area
1.9365056538522E+17
Altitude
579148183.24988
Surface area
1.9365056538522E+17
Volume
3.5246090473372E+25
Height
315248340.98269